John Lilly, Greylock Partners

Partner, Greylock Partners

John joined Greylock as a partner in 2011. Prior to Greylock, John was CEO of Mozilla, the organization behind Firefox, an open source Web browser used by more than 450 million people. John also co-founded Reactivity, an enterprise security infrastructure company acquired by Cisco in 2007, where he served as founding CEO and later CTO.

Earlier in his career, John held positions on the executive team at Trilogy Software and as a Senior Scientist in Apple’s research labs.

John holds a BS in Computer Systems Engineering and an MS in Computer Science with a focus on Human Computer Interaction, both from Stanford University. He is currently a Consulting Assistant Professor at Stanford’s d.school, and an adviser to the Stanford Technology Ventures Program as well as SSE Labs, an incubator at the University.